diff options
Diffstat (limited to 'drivers/cxl')
| -rw-r--r-- | drivers/cxl/core/memdev.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/cxl/core/memdev.c b/drivers/cxl/core/memdev.c index 1e574b052583..b2773664e407 100644 --- a/drivers/cxl/core/memdev.c +++ b/drivers/cxl/core/memdev.c @@ -99,11 +99,19 @@ static ssize_t serial_show(struct device *dev, struct device_attribute *attr, } static DEVICE_ATTR_RO(serial); +static ssize_t numa_node_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + return sprintf(buf, "%d\n", dev_to_node(dev)); +} +static DEVICE_ATTR_RO(numa_node); + static struct attribute *cxl_memdev_attributes[] = { &dev_attr_serial.attr, &dev_attr_firmware_version.attr, &dev_attr_payload_max.attr, &dev_attr_label_storage_size.attr, + &dev_attr_numa_node.attr, NULL, }; @@ -117,8 +125,17 @@ static struct attribute *cxl_memdev_ram_attributes[] = { NULL, }; +static umode_t cxl_memdev_visible(struct kobject *kobj, struct attribute *a, + int n) +{ + if (!IS_ENABLED(CONFIG_NUMA) && a == &dev_attr_numa_node.attr) + return 0; + return a->mode; +} + static struct attribute_group cxl_memdev_attribute_group = { .attrs = cxl_memdev_attributes, + .is_visible = cxl_memdev_visible, }; static struct attribute_group cxl_memdev_ram_attribute_group = { |